257862410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{5179}}^1$

素因数の和:5582

約数の個数: 32

約数和(自身を含む): 501258240

約数和(自身を除く): 243395830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 383, 766, 1915, 3830, 4979, 5179, 9958, 10358, 24895, 25895, 49790, 51790, 67327, 134654, 336635, 673270, 1983557, 3967114, 9917785, 19835570, 25786241, 51572482, 128931205, 257862410]

約数ペア:

[(1, 257862410), (2, 128931205), (5, 51572482), (10, 25786241), (13, 19835570), (26, 9917785), (65, 3967114), (130, 1983557), (383, 673270), (766, 336635), (1915, 134654), (3830, 67327), (4979, 51790), (5179, 49790), (9958, 25895), (10358, 24895)]